Search:

It seems like there is a software/tuning issue as we now have a number of vehicles doing a similar thing in a few different ways, including the SMs own drive Lux.
TNZ are getting us to try things,...

It may just need the AT memory reset.
From memory there could be a ecu recalibration that could be carried out.

Will need to diagnose it and go from there.
It's still under new vehicle warranty...